<!doctype html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>口算题预览</title>
    <!--  A4 CSS  -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/paper-css/0.3.0/paper.css">

    <style>
        @page {
            size: A4
        }

        .A4 {
            text-align: center;
        }

        .row {
            display: flex;
            width: 100%;
        }

        .col33 {
            width: 33%;
        }

        .col34 {
            width: 34%;
        }

        /* 竖式题样式 */
        /* p {
            margin-bottom: 46mm;
        } */
    </style>
</head>

<body>

    <div class="A4">

        <div id="psm-page" class="sheet padding-10mm">
            <div>
                <h1>三年级下学期口算题</h1>
                <h3>姓名：__________</h3>
            </div>
            <div class="row">
                <div class="col33">
                    <p>20+29=</p>
                    <p>88+57=</p>
                    <p>92-54=</p>
                    <p>22+75=</p>
                    <p>8+22=</p>
                    <p>70-22=</p>
                    <p>12+29=</p>
                    <p>68-49=</p>
                    <p>64+10=</p>
                    <p>21+31=</p>
                    <p>11+25=</p>
                    <p>61-17=</p>
                    <p>91-52=</p>
                    <p>20+79=</p>
                    <p>14+47=</p>
                    <p>43-14=</p>
                    <p>37-24=</p>
                    <p>71-19=</p>
                    <p>90-48=</p>
                    <p>43+45=</p>
                    <p>4+49=</p>
                </div>
                <div class="col33">
                    <p>20+29=</p>
                    <p>88+57=</p>
                    <p>92-54=</p>
                    <p>22+75=</p>
                    <p>8+22=</p>
                    <p>70-22=</p>
                    <p>12+29=</p>
                    <p>68-49=</p>
                    <p>64+10=</p>
                    <p>21+31=</p>
                    <p>11+25=</p>
                    <p>61-17=</p>
                    <p>91-52=</p>
                    <p>20+79=</p>
                    <p>14+47=</p>
                    <p>43-14=</p>
                    <p>37-24=</p>
                    <p>71-19=</p>
                    <p>90-48=</p>
                    <p>43+45=</p>
                    <p>4+49=</p>
                </div>
                <div class="col34">
                    <p>20+29=</p>
                    <p>88+57=</p>
                    <p>92-54=</p>
                    <p>22+75=</p>
                    <p>8+22=</p>
                    <p>70-22=</p>
                    <p>12+29=</p>
                    <p>68-49=</p>
                    <p>64+10=</p>
                    <p>21+31=</p>
                    <p>11+25=</p>
                    <p>61-17=</p>
                    <p>91-52=</p>
                    <p>20+79=</p>
                    <p>14+47=</p>
                    <p>43-14=</p>
                    <p>37-24=</p>
                    <p>71-19=</p>
                    <p>90-48=</p>
                    <p>43+45=</p>
                    <p>4+49=</p>
                </div>
            </div>
            <div style="page-break-after: always;"></div>
        </div>


    </div>


    <script>
        function iframePrint() {    //添加打印事件
            window.print();
        }
    </script>
</body>

</html>